查询词典 coal mine worker

China ; coalbed methane ; coal reservoir ; coal petrography ; coal physics ; controlled gas mechanism

中国；煤层气；煤储层；岩石学；物理学；控气机理

Preliminary study of coal chemistry and coal petrography about the raw material used to prepare for HA—type binders indicated that the content of free humic acid in the coal is excellently linear with the binder properties.

本文对制备HA型粘结剂的原料进行了煤化学、煤岩学的初步研究，煤化学的研究表明，原料煤中游离腐植酸的含量与煤对应粘结剂的性能呈正相关性且线性关系较好。

Based on the characteristics of coal quality and coal petrology, the liquefaction property of low rank coal in the studied areas is discussed in the paper.

从煤质和煤岩基本性质出发，探讨了研究区低煤级煤的液化性能。

Coal electric drill is the one of the implements of production to excave coal in the pit .The install environment of coal electric drill and power supply system is odious .

煤电钻是井下采掘工作的主要生产工具之一，煤电钻及其供电系统安装环境劣，与工作人员接触频繁，故障率高。

In the process of the simulation, set the density of the coal, porousness of coal, permeate coefficient and natural containing water rate etc. as well as the radius of the water infusion hole and water infusion pressure to the concrete coal seam.

在数值模拟当中，针对具体的煤层进行了煤的密度、孔隙率、渗透系数、自然含水率等参数的设定，同时对煤层注水的注水孔径，注水压力的设定。

This paper Puts forward the four main parameters of the Permeability classification for coal mass es, that is,the fractal dimension of the cracks in coal mass es,the number of the cracks in one meter's characteristic scale, the conducting water coefficient of coal samples and its Porousness; and founds the mathematical pattern of the complex judgement by fuzzy sets.

提出了进行煤体渗流特性分类的四个主要指标，即煤体裂隙分布的分形维数D、特征尺度L＝1m的裂隙条数N、煤样导水系数T和煤的孔隙率η等；建立了煤体渗流特性模糊数学综合评价的数学模型；根据煤层注水工程应用的实际情况。

This paper discusses the position and important role of local coal mining in whole coal mining industry, and looks ahead the developing trend of local coal mining.

本文分析了地方煤矿在整个煤炭工业中的地位及其在国民经济中的重要作用，展望了我国地方煤矿的发展趋势。

It is quite different in the powder properties between Indonesian coal A and Indonesian coal B based on the analysis of Fourier transform infrared spectroscopy and scanning electronic microscope so as to solve the problem of powder agglomeration during the operation of medium-speed coal pulverizer.

为了解决中速磨煤机磨制印尼煤时的煤粉团聚问题，利用傅立叶红外光谱和扫描电镜对印尼A煤和B煤进行了分析，发现这两种煤的粉体特性相差很大，印尼A煤含有容易团聚的官能团。

Compared to other coal chemical enterprises, Shanghai Coking Coal Chemical Industry to highlight the advantages of production in coal generation technology Quito route.

相比其他煤化工企业，上海焦化进行煤化工生产的突出优势体现在煤基多联产的工艺路线上。

The results show that: the functional groups in coal are the function of coal rank , and the yields of CO 2, H 2O and CO are related to the content of carboxyl, hydroxyl and other oxygen containing groups such as ether groups in coal, and Tar and CH 4 are related to the aliphatic CH, the char yields to the aromatic CH.

借助化学分析和FTIR光谱分析对我国煤化程度不同的18 种煤中官能团的研究表明：煤中官能团含量与煤化程度有关；煤中羧基、羟基及醚键等其他含氧官能团的含量与热解生成物CO2、H2O 和CO 的产率有关，脂肪—CH 的含量与甲烷和焦油的产率相关联，芳香—CH 的含量与热解半焦产率有关。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。